Programming
Page
D-64
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
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A
B
C
D
E
1
2
3
4
5
6
7
INERTIA COMP
SETUP::MOTOR CONTROL::INERTIA COMP
This block is used to provide a torque feed forward to compensate for friction and inertia effects whilst the drive is running.
Parameter Descriptions
FRICTION @ 0 RPM
PREF: 122.01
Default: 0.00 %
Range: 0.00 to 100.00 %
Static friction compensation gain.
FR'N @ NMPLT RPM
PREF: 122.02
Default: 0.00 %
Range: 0.00 to 100.00 %
Dynamic Friction compensation gain.
RELATIVE INERTIA
PREF: 122.03
Default: 0.00 %
Range: 0.0000 to
30000.0000 %
Inertia compensation gain.
FRICTION COMP
PREF: 122.04
Default: —.xx %
Range: —.xx %
This diagnostic shows Torque Feedforward component due to friction compensation.
INERTIA COMP
PREF: 122.05
Default: —.xx %
Range: —.xx %
This diagnostic shows the Torque Feedforward component due to inertia compensation.
TORQ FEEDFORWARD
PREF: 122.06
Default: —.xx %
Range: —.xx %
This diagnostic shows the Total torque feedforward.
SPEED PI OUTPUT
PREF: 122.07
Default: —.xx %
Range: —.xx %
This diagnostic shows the Speed Loop Output – it is provided here to assist with tuning compensation values.